Testing methodology: Sandisk Extreme PRO V2 1TB purchased 2/19/23 from local Best Buy store, model # SDSSDE81-1T00.Ĭables: both included Sandisk USB-C cable (unmarked), and OWC 0.7m Thunderbolt 3 Passive Cable CBATB-002-070A.Ĭomputers: M2 Air 13" 8GB, M2 Pro MBP 14" 16GB, M2 Max MBP 16" 32GB, all on macOS Ventura 13.2.1 at the Apple Store. In any case I'd have to agree with Mike that Gen 2x2 remains a bit of a mess, and focusing more on USB4 (not to mention Thunderbolt) seems ultimately for the best. (unless they accidentally tested their internal SSD rather than the PRO-BLADE like I accidentally did in one of my test runs today!) I trust Mike's results on the PRO-BLADE Transport that showed 20Gbps speeds, so I wonder if the USB chip in the Transport reader is more of a USB4 chip, compared to the chips used in the older Extreme PRO V2 drive from 2021? Another reviewer actually claimed 30Gbps speeds with the PRO-BLADE on an M2 Air, which is strange but might lend credence to the USB4 hypothesis. Sadly, I found the M2 Max MBP 16" only showed 10Gbps speeds on this Gen 2x2 SSD. Because I and some colleagues were so curious about the possibility of M2 supporting 20Gbps USB Gen 2x2, I actually got ahold of a Sandisk Extreme PRO Gen 2x2 SSD V2 (1TB) which advertises 20Gbps speeds, and took it to the Apple Store today.
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